*{
    margin: 0;
    padding: 0;
}

.banxing{
    width: 100;
    margin: 0 auto;
    /* background-color: cornflowerblue; */
    background-color: #000;
    
}
* {
    margin: 0;
    padding: 0;
}

.box {
    width: 1800px;
    height: 600px;
    background-size: 500px 300px;
    margin:  auto;
    position: relative;
    background-repeat: no-repeat;
    /* border: 1px solid red; */
    background-size: 1800px 600px;

    
}

.previouspage {
    width: 20px;
    height: 30px;
    position: absolute;
    top: 50%;
    
    margin-top: -15px;
    left: 8px;

}

.nextpage {
    width: 20px;
    height: 30px;
    position: absolute;
    top: 50%;
    margin-top: -15px;
    right: 8px;

}

.a-lunbo {
    width: 200px;
    position: absolute;
    left: 50%;
    margin-left: -40px;
    bottom: 10px;
}

.a-lunbo li{
    list-style: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin: 2px;
    border: 1px solid yellow;
    float: left;

}



/* 前四张图 */
.qiansitu img{
    width: 1800px;
    height: 600px;
}


.wangyibo{
    margin: auto;
    width: 1800px;
    height: 600px;
    
}
.wangyibohun{
    margin: auto;
    width: 1800px;
    height: 600px;
}
.choangxie3{
    margin: auto;
    width: 1800px;
    height: 600px;
}
.zhongguohong{
    margin: auto;
    width: 1800px;
    height: 600px;
}



/* 都市机能 */
.dushi{
    margin: auto;
    width: 1800px;
    height: 1400px;

}
.jineng{
    width: 1800px;
    height: 1400px;
}



/* 背景图 */
.beijingtu{
    margin: auto;
    position: relative;
    display: flex;
    width: 1800px;
    height: 720px;
    background: url(../images/6.jpg);
    background-repeat: no-repeat;
    justify-content: center;
   
}

.beijingtu .dahes{
    position: absolute;
    top: 50px;
    width: 1210px;
    height: 578px;
    /* border: 1px solid red; */
}

.dahes .diva1{
    position: relative;
    float: left;
    width: 300px;
    height: 578px;
    /* border: 1px solid red; */
    overflow: hidden;
}
.dahes .diva1 img:last-child{
    position: absolute;
    bottom: -578px;
    left: 0;
}





.hosantuxie{
    width: 1800px;
    height: 2100px;
    margin: auto;
}


.hosantuxie img{
    
    width: 1800px;
    height: 700px;
}
.hosantuxie .hosantuxie{
   
    width: 1800px;
    height: 700px;
}
.hosantuxie .hupuxie{
   
    width: 1800px;
    height: 700px;
}
.hosantuxie .badaoxie{
   
    width: 1800px;
    height: 700px;
}

.jixuangotu{
    width: 1800px;
    height: 100%;
    margin: auto;
}

.jixuangotu img{
    width: 1800px;
    height: 1300px;
}
.jixuangotu1{
    
    width: 1800px;
    height: 650px;
    background: url(../images/11.jpg);
}
.lijixuangotu2{
    width: 1800px;
    height: 650px;
    background: url(../images/12.jpg);
}

 .jixuangotu1 ul{
    margin: auto;
    width: 1080px;
    height: 0px;
   
    left: 360px;
    
    
}
.lijixuangotu1 .li1{
    width: 144px;
    height: 50px;

    float: left;
    margin-top: 592px;
}
.lijixuangotu1 .li2{
        margin-left: 268px;
}  
.lijixuangotu1 .li3{
    margin-left: 268px;
} 

.lijixuangotu1 .li4{
    margin-top: 560px;
} 
.lijixuangotu1 .li5{
    margin-top: 561px;
    margin-left: 267px;

}



/* 猜你喜欢 */
.cainixihuan{
    background-color: whitesmoke;
    width: 100%;
    height: 800px;
    /* background-color: aqua; */

}
h2{
    margin-top:200px;
    width: 100%;
    height: 200px;
    font-size: 60px;
    text-align: center;
    background-color: whitesmoke;
    line-height: 200px;
    
}
.cainixihuan .xuango{
    width: 100%;
    height: 80px;
    display:block;
    /* background-color: coral; */
   
    text-align: center;
    
}
.cainixihuan .xuango a{
    display: inline-block;
    width: 200px;
    height: 50px;
    margin-top: 15px;
    background-color: black;
    line-height: 50px;
    font-size: 40px;
}
.dilanxies{
    display: flex;
    width: 1800px;
    height: 520px;
    margin: auto;
    /* background-color: royalblue; */
    justify-content: space-between;
}
.dilanxies .ki{
    float: left;
    width: 430px;
    height: 520px;
    /* border: 1px solid red; */
}
.dilanxies .ki a img{
    width: 450px;
    height: 520px;
}

/* 返回顶部 */
.faanhuidengbu{
    z-index: 80px;
    position:fixed;
    right: 0;
    bottom: 200px;
    width: 60px;
    height: 270px;
    /* border: 1px solid rgb(255, 0, 76); */
    border-radius: 50px;
    background-color: #333;
    opacity: 0.5;
}
.fanhuian1{
    width: 60px;
    /* border: 1px solid rgb(255, 0, 76); */
    border-radius: 25%;
    height: 90px;
    text-align: center;
    line-height: 80px;
    font-size: 20px;
    
}
.fanhuian2{
    /* border: 1px solid rgb(255, 0, 76); */
    width: 60px;
    height: 90px;
 
    text-align: center;
    line-height: 80px;
    border-top: 2px solid rgb(255, 255, 255);
    border-bottom: 2px solid rgb(255, 255, 255);
}
.fanhuian3{
    width: 60px;
    /* border: 1px solid rgb(255, 0, 76); */
    border-radius: 25%;
    height: 90px;
    text-align: center;
    line-height: 80px;
    font-size: 20px;
    
}
.faanhuidengbu .iconfont{
    font-size: 40px;
    color: rgb(255, 255, 255);
    
}


